请问哪里有源码下载呢
roadson
2015-08-12 17:07
右下角只有pdf下载， 请问哪里有源码下载呢 ？
1回答
-
- 求知的木头
- 2015-10-12 01:26:03
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<style>
html,body{
margin: 0;
padding: 0;
width: 100%;
height: 100%;
background: #001122;
line-height: 0;
font-size: 0;
}
</style>
<body>
<svg width="100%" height="100%" viewBox="-400 -300 800 600" preserveAspectRatio="xMidYMid slice">
<defs>
<polygon id="star" points="0 -10 2 -2 10 0 2 2 0 10 -2 2 -10 0 -2 -2" fill="white"></polygon> //星星
</defs>
<g id="real"> //真是图形
<g id="star-group"></g>
<g id="moon-group"> //月牙
<mask id="moon-mask"> //用2个圆画出月牙的图形，在用蒙板效果遮罩下面黄色的圆
<circle cx="-250" cy="-150" r="100" fill="white"></circle>
<circle cx="-200" cy="-200" r="100" fill="black"></circle>
</mask>
<circle cx="-250" cy="-150" r="100" fill="yellow" mask="url(#moon-mask)"></circle>
</g>
<g id="light-tower" transform="translate(250,0)">
<defs>
<linearGradient id="tower" x1="0" y1="0" x2="1" y2="0"> //灯塔渐变色
<stop offset="0" stop-color="#999"></stop>
<stop offset="1" stop-color="#333"></stop>
</linearGradient>
<radialGradient id="light" cx="0.5" cy="0.5" cr="0.5"> //灯塔光渐变色也就是椭圆的渐变色
<stop offset="0" stop-color="rgba(255,255,255,.8)"></stop>
<stop offset="1" stop-color="rgba(255,255,255,0)"></stop>
</radialGradient>
<clipPath id="light-clip"> //裁切图形 用下面的图形裁切 得到重叠的部分
<polygon points="0 0 -400 -15 -400 15" fill="rgba(255,0,0,.5)">
<animateTransform
attributeName="transform"
attributeType="XML"
type="rotate"
from="0"
to="360"
dur="10s"
reqeatCount="indefinite">
</animateTransform> //灯塔旋转特效
</polygon> //灯塔光的三角
<circle cx="0" cy="0" r="2"></circle> //灯塔顶上的小圆点
</clipPath>
</defs>
<polygon points="0 0 5 50 -5 50" fill="url(#tower)"></polygon> //灯塔
<ellipse cx="0" cy="0" rx="300" ry="100" fill="url(#light)" clip-path="url(#light-clip)"></ellipse>//椭圆 clip-path：引用图形
</g>
</g>
<g id="reflact" transform="translate(0,50)" mask="url(#fading)"> //湖面投影
<defs> //投影的蒙板颜色渐变
<linearGradient id="fade" x1="0" y1="0" x2="0" y2="1">
<stop offset="0" stop-color="rgba(255,255,255,.3)"></stop>
<stop offset="1" stop-color="rgba(255,255,255,0)"></stop>
</linearGradient>
<mask id="fading">
<rect x="-400" y="0" width="800" height="300" fill="url(#fade)"></rect> //矩形
</mask>
</defs>
<use xlink:href="#real" transform="scale(1,-1) translate(0,-50)"></use>//图形反转并且移动Y位子,use里面不能加mask
</g>
<!-- <line x1="-400" y1="0" x2="400" y2="0" stroke="white"></line> 水平参考线-->
<line x1="-400" y1="50" x2="400" y2="50" stroke="white"></line>
</svg>
</body>
<script>
var SVG_NS = 'http://www.w3.org/2000/svg';
var XLINK_NS = 'http://www.w3.org/1999/xlink';
var paper = document.querySelector('svg');
renderStar();
function use(origin){
var _use = document.createElementNS(SVG_NS,'use'); //createElementNS() 方法可创建带有指定命名空间的元素节点
_use.setAttributeNS(XLINK_NS,'xlink:href','#'+origin.id); //setAttributeNS() 方法创建或改变具有命名空间的属性
return _use;
}
function random(min,max){
return min +(max-min)*Math.random();
}
function renderStar(){
var starRef = document.getElementById('star'); //获取星星
var starGroup = document.getElementById('star-group');//把星星放在star-group里面
var starCount = 500;//星星的个数
var star;
while (starCount--){
star = use(starRef);
star.setAttribute('opacity',random(0.1,0.4));
star.setAttribute('transform','translate('+random(-400,400)+','+random(-300,50)+')'
+'scale('+random(0.1,0.6)+')'); //random() 方法可返回介于 0 ~ 1 之间的一个随机数.scale() 方法标注画布的用户坐标系统
starGroup.appendChild(star);
}
}
</script>
</html>
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